Restlessness during sleep or waking up multiple times at night could be a sign of an underlying serious sleep disorder. If you find yourself tired even after a full night’s sleep or if your partner complains about your loud snoring while you are asleep, then this could be due to sleep apnea.
Sleep apnea is a potentially life-threatening health condition where a person suddenly stops breathing for a few seconds during sleep. It is important to have yourself evaluated by a sleep apnea specialist if you suffer such symptoms and this is more often noticed by your sleep partner. Obstructive sleep apnea (OSA) increases the risk of high blood pressure while also putting you at risk of heart attacks, arrhythmias (irregular heartbeats), stroke and other cardiovascular diseases.
What is sleep apnea?
Sleep apnea is a disorder caused by collapse or closure of your airway where breathing is repeatedly interrupted during sleep. This interruption can occur from anywhere between 5 to over 100 times in an hour! The pauses in breathing can last between 10 to 20 seconds, and sometimes as long as more than a minute. During sleep apnea, when you stop breathing, no oxygen enters the lungs, causing a drop in the level of oxygen in the blood. This leads to reduced blood oxygen supply to your brain, heart and other vital organs.
Sleep becomes disturbed in patients with sleep apnea which means that they do not get the deep restorative sleep which is needed for mental alertness and clear memory for a productive next day. Abnormal sleep patterns arise, consisting of frequent long pauses in breathing where the patient suddenly goes silent for a while, followed by a sudden loud gasping, choking or snorting episode when they start to breathe again. This becomes a vicious cycle night after night for prolonged periods, sometimes many years before the patient finally decides to seek medical help for his sleep problems. Sleep apnea needs medical intervention as it leads to many health problems and could even be fatal, leading to sudden death during one’s sleep. A person with the condition may not be aware, but anyone sleeping beside him or her can easily recognise the worrying symptoms of sleep apnea. If your partner suspects you are a victim of sleep apnea, then you should consult an ENT specialist without delay.
What are the types of sleep apnea?
The most common is obstructive sleep apnea (OSA). During this condition, the inflow and outflow of air from the nose is blocked due to throat muscles relaxing and collapsing inwards while sleeping. This will result in loud snoring with recurrent pauses in breathing, night-time waking and gasping or snorting episodes. Another condition is central sleep apnea where the central nervous system is involved. In central sleep apnea, the brain temporarily stops signalling the muscles responsible for breathing to continue. Some patients may suffer from mixed sleep apnea which is a rare combination of both central and obstructive sleep apnea.
What are the causes of sleep apnea?
There could be many reasons for obstructive sleep apnea. Individuals who are overweight tend to have excess fatty tissue deposited just outside the throat. This causes the pressure on the inside of the throat to increase, especially when lying flat during sleep, causing the airway to collapse and close off. In addition, throat muscles can relax even further due to alcohol or medication use prior to sleep, worsening the airway obstruction. Presence of nasal obstruction from nasal allergies or deviated nasal septum, or enlarged tonsils or jaw deformities may also obstruct the airway. Asthma patients and smokers have a higher chance of sleep apnea. This condition is more common in males than women and it increases with age, although this condition may occur at any age.
What are the symptoms of obstructive sleep apnea?
The initial signs are complaints by your partner of loud snoring. Other signs to look out for include:
- Headaches in the morning
- Fatigue and tiredness throughout the day
- Memory loss
- Difficulty focusing or concentrating on the task at hand
- Sore throat
- Dry mouth
- Mood and behavioural changes like irritability and bad temper
What are the health problems associated with obstructive sleep apnea?
In addition to impacting your quality of life, this condition can lead to the following health problems:
- Hypertension (high blood pressure)
- Heart attacks
- Type II Diabetes
- Irregular heartbeat (arrhythmias)
Early treatment can minimise the risk of developing heart attacks and strokes as complications of untreated sleep apnea.
How is obstructive sleep apnea diagnosed?
As there are many reasons why an individual might have sleep disturbances, it is not always easy for your family doctor to suspect that you have sleep apnea. A referral is usually made to an ENT doctor to examine the airway for signs of nose or throat narrowing. Taking your sleep partner along can be helpful as he or she will be able to give an insight on your breathing pattern while asleep and snoring episodes.
Your ENT sleep specialist will take a detailed medical history and perform a physical examination of your nose and throat. Your blood pressure and Body Mass Index (BMI) may also be checked. Additional tests like sleep studies may be needed to confirm the diagnosis.
Polysomnography is a sleep study where your heart, lung and brain activity patterns are measured and oxygen levels monitored while you sleep. Nowadays, most patients usually undergo a home sleep study with a portable device. This used to be done as a hospital-warded procedure where you might have to have yourself monitored all night but a home sleep study can now reliably provide enough good quality sleep data to accurately diagnose and detect sleep apnea.
What is the treatment for obstructive sleep apnea?
First and foremost, your ENT doctor will advise on lifestyle modifications. These include losing weight if you are obese, through a diet and regular exercise regimen. Avoiding alcohol and smoking especially prior to bedtime is strongly recommended. Nasal sprays and antihistamines may be prescribed if you have a blocked nose. If sleep apnea persists even after these measures, then personalised treatment measures will be considered to keep the airways open, with a thorough discussion about CPAP, surgery or a special mouthguard.
In CPAP or continuous positive airway pressure, a special machine delivers pressurised air through the nose and mouth via a fitted mask while the individual is sleeping. These devices help to keep the upper airway passages open while air is continuously pumped in. This prevents the symptoms of snoring and sleep apnea. This is the most widely used method to treat obstructive sleep apnea, but it may not suit everyone. Some people find it uncomfortable and may not attain the right fit. It is important to try different nasal or face masks to find the right fit. Talk to your ENT doctor to check on what suits you the best.
Alternatives to CPAP machines are oral devices or mouthpieces which help to keep the throat open during mild to moderate conditions. Some devices hold the tongue in a different position. Nasal pillow masks are another option if you feel claustrophobic in masks that cover the entire face. Close follow-up helps to achieve successful treatment in patients with obstructive sleep apnea.
If none of these conservative methods work, then your sleep apnea specialist will suggest surgery where excess throat tissue will be removed in a procedure called Uvulopalatopharyngoplasty (UPPP). For very severe cases, upper airway stimulation is another method where an impulse generator detects breathing patterns and controls tongue movement but this is rarely used in clinical practice.
There are many treatment options for obstructive sleep apnea. What is important is to meet an experienced ENT physician without delay and discuss a treatment plan if you are diagnosed with sleep apnea. Dr. Annabelle Leong specialises in treating sleep apnea in Singapore and is a great ENT doctor to visit if you are suffering from sleep apnea.
Innovation Leads to Winning Smiles: Lebanese Dentist Dr. Mohammad Waizani Offers Insight Into the Science of Quality Veneers
Dr. Mohammad Waizani has developed a reputation for giving his patients the smile they deserve. His highly-sought after veneer procedure uses a microscope for more accurate and long-lasting results. Considered highly innovative in the dentistry world, his patients’ testimonials serve as proof of the procedure’s effectiveness.
We sat down with Dr. Waizani to gather further insight into the process of applying veneers and learn more about the types of cases that benefit from this smile-saving technique.
Are there any preconditions to receiving veneers?
The primary condition for receiving veneers is having what we call a “normal bite.” There are many different kinds of bites, including open and closed bites. Veneers can be applied to normal bites. When we do veneers for normal bites we try to remove the minimum amount of the tooth to retain as much of the tooth’s original structure as possible. This also helps to reduce instability or sensitivity, as well as ensuring that the color will be natural and not appear fake. When you think about it, if you remove a little bit of the tooth, then the ceramic layer we place on after that can also be thin. The thinner the layers, the less fake and bulky the tooth will look.
How does the procedure work?
In the first session, we prepare the tooth and take measurements. This procedure takes around two hours to two and a half hours. When we finish, we put the temporary on the teeth. This offers protection from sensitivity and allows the patient to go about their daily life, and walk with a smile on their face.
After one week, the veneers are finished in the lab and the lab sends them to our office. Once we receive the veneers, we can proceed with gluing them on. Usually we do the upper jaw alone and the lower jaw alone so the full smile needs around two weeks from start to finish.
Where does the microscope come in and why is it so important?
We employ microscopes in the procedure, to reduce the amount of surface enamel typically removed in the installation process. Using a microscopic approach, we are able to reduce the typical width of the removed layer from between 0.8 and 1.5 millimeters to a mere 0.2 to 0.3 millimeters, keeping teeth stronger and healthier. The less we remove, the less damage can occur and the teeth continue to look great for a longer period of time.
How long do veneers last?
Like the teeth you are born with, veneers, when properly cared for, don’t have an expiration date. As long as the patient cares for their veneers the same way they would with their natural teeth, they are a long term cosmetic solution for improving your smile while maintaining a very realistic and natural aesthetic.
Are there any age requirements for veneers?
We never do veneers for anyone under the age of 18. When we do veneers, or any preparation for veneers, the teeth should be fully matured so that’s why 18 and above is the perfect age. There are also the wisdom teeth to consider but that’s a different story. We don’t have to wait for wisdom teeth to apply veneers.
What are some of the reasons your patients choose to receive veneers?
There are three overarching cases where we recommend veneers: shape, color, or both. Some people have a good shape to their face and jaw, but they don’t like the color of their teeth or vice versa. In some cases it is both the color and shape that the patient wants to improve. If they have a normal bite and we just want to change the color, we will remove a minimal amount of the tooth. If we have a normal bite but we want to change the shape, we will remove more.
Are there different types of veneers?
Dental veneers come in many different forms. Dr. Waizani’s natural veneers make use of porcelain molds for more natural looking and natural feeling teeth. Porcelain contains particles particularly similar to those found in organic human teeth, allowing light to pass through in a similar manner. Where alternative veneer materials reflect light, porcelain’s translucent quality allows for artificial veneers that are virtually indistinguishable from normal tooth enamel, in addition to being more resistant to staining and chipping.
For more information, or to book an appointment with Dr. Waizani, contact email@example.com
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